geode loader: load driver from the same folder

git-svn-id: svn://kolibrios.org@9478 a494cfbc-eb01-0410-851d-a64ba20cac60

drivers/audio/a5536/Tupfile.lua

@@ -0,0 +1,3 @@
+if tup.getconfig("NO_FASM") ~= "" then return end
+ROOT = "../../.."
+tup.rule("geode.asm", "fasm %f %o " .. tup.getconfig("PESTRIP_CMD") .. tup.getconfig("KPACK_CMD"), "%B")

drivers/audio/a5536/geode.asm

@@ -1,35 +1,55 @@
-
 use32
-
 db 'MENUET01'
-dd 1
-dd start
-dd i_end
-dd mem
-dd mem
-dd 0
-dd 0
+dd 1, start, i_end, mem, mem, 0, selfpath
 
 start:
- 	   mov eax, 68
-       mov ebx, 16
-	   mov ecx, sz_sound
-       int 0x40
-       test eax, eax
-       jnz .exit
+;------ strcat(selfpath, '.drv')
+		mov  eax, selfpath
+	@@:
+		inc  eax
+		cmp  [eax], byte 0
+		jne  @b
+		mov  [eax], dword '.drv'
 
- 	   mov eax, 68
-	   mov ebx, 21
-       mov ecx, sz_path
-	   int 0x40
+;------ writing some info
+		mov  edx, info_msg 
+		call debug_string
+		mov  cl, 13 ; line break symbol
+		int  40h
+
+;------ init driver		
+		mov  eax, 68
+		mov  ebx, 16
+		mov  ecx, sz_sound
+		int  40h
+		test eax, eax
+		jnz  .exit
+
+		mov  eax, 68
+		mov  ebx, 21
+		mov  ecx, selfpath
+		int  40h
 
 .exit:
-	   mov eax, -1
-	   int 0x40
-
+		mov  eax, -1
+		int  40h
+		
+debug_string:
+		mov  eax,63
+		mov  ebx,1
+	@@:
+		mov  cl,[edx]
+		test cl,cl
+		jz   @f
+		int  40h
+		inc  edx
+		jmp  @b
+	@@:
+		ret
 
 sz_sound  db 'SOUND',0
-sz_path   db '/rd/1/drivers/geode.drv',0
+info_msg  db 'Trying to load the driver: '
+selfpath  rb 4096
 
 align 4
 i_end: